July 24, 1879] 



NATURE 



297 



PROF. MOEBIUS ON THE EOZOON QUESTION^ 

 II. 



HAVING described the Eozoon sufficiently to enable 

 the reader to follow its comparison with fora- 

 minifera, Prof. Moebius proceeds to the description of the 



structure of these animals. Fig. 12 represents a longi- 

 tudinal section of Tinoponis baculatus, magnified 150 

 times. This foraminiferal species occurs very frequently 

 upon the coral reefs of the Samoan Islands in the Pacific. 

 Its shell consists of a bi-convex middle part, from'which at 



Kl.i 





Fig. II. 



least four or five spines radiate, all of which are situated 1 in the principal plane of the body of the shell. At C two 

 ' Ccntinucd from p. 275. I shells of Ttiioporus are drawn, magnified three times. 



